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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-23 21:22:01 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-23 21:22:01 +0400 |
| commit | 5b34653963de7a6d0d8c783527457d68fddc60fb (patch) | |
| tree | 1a234741e1823a54cd0514616f783b4cf503a528 /arch/x86/include/asm/iommu.h | |
| parent | 765426e8ee4c0ab2bc9d44951f4865b8494cdbd0 (diff) | |
| parent | 5e1b00758b5a8bee9d42515bffdaf305a32f1b04 (diff) | |
| download | linux-5b34653963de7a6d0d8c783527457d68fddc60fb.tar.xz | |
Merge branch 'x86/um-header' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86/um-header' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (26 commits)
x86: canonicalize remaining header guards
x86: drop double underscores from header guards
x86: Fix ASM_X86__ header guards
x86, um: get rid of uml-config.h
x86, um: get rid of arch/um/Kconfig.arch
x86, um: get rid of arch/um/os symlink
x86, um: get rid of excessive includes of uml-config.h
x86, um: get rid of header symlinks
x86, um: merge Kconfig.i386 and Kconfig.x86_64
x86, um: get rid of sysdep symlink
x86, um: trim the junk from uml ptrace-*.h
x86, um: take vm-flags.h to sysdep
x86, um: get rid of uml asm/arch
x86, um: get rid of uml highmem.h
x86, um: get rid of uml unistd.h
x86, um: get rid of system.h -> system.h include
x86, um: uml atomic.h is not needed anymore
x86, um: untangle uml ldt.h
x86, um: get rid of more uml asm/arch uses
x86, um: remove dead header (uml module-generic.h; never used these days)
...
Diffstat (limited to 'arch/x86/include/asm/iommu.h')
| -rw-r--r-- | arch/x86/include/asm/iommu.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/arch/x86/include/asm/iommu.h b/arch/x86/include/asm/iommu.h new file mode 100644 index 000000000000..98e28ea8cd16 --- /dev/null +++ b/arch/x86/include/asm/iommu.h @@ -0,0 +1,50 @@ +#ifndef _ASM_X86_IOMMU_H +#define _ASM_X86_IOMMU_H + +extern void pci_iommu_shutdown(void); +extern void no_iommu_init(void); +extern struct dma_mapping_ops nommu_dma_ops; +extern int force_iommu, no_iommu; +extern int iommu_detected; +extern int dmar_disabled; +extern int forbid_dac; + +extern unsigned long iommu_nr_pages(unsigned long addr, unsigned long len); + +/* 10 seconds */ +#define DMAR_OPERATION_TIMEOUT ((cycles_t) tsc_khz*10*1000) + +#ifdef CONFIG_GART_IOMMU +extern int gart_iommu_aperture; +extern int gart_iommu_aperture_allowed; +extern int gart_iommu_aperture_disabled; + +extern void early_gart_iommu_check(void); +extern void gart_iommu_init(void); +extern void gart_iommu_shutdown(void); +extern void __init gart_parse_options(char *); +extern void gart_iommu_hole_init(void); + +#else +#define gart_iommu_aperture 0 +#define gart_iommu_aperture_allowed 0 +#define gart_iommu_aperture_disabled 1 + +static inline void early_gart_iommu_check(void) +{ +} +static inline void gart_iommu_init(void) +{ +} +static inline void gart_iommu_shutdown(void) +{ +} +static inline void gart_parse_options(char *options) +{ +} +static inline void gart_iommu_hole_init(void) +{ +} +#endif + +#endif /* _ASM_X86_IOMMU_H */ |